Why the Dow Jones hitting 20,000 is meaningless - Action News
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Why the Dow Jones hitting 20,000 is meaningless

The Dow Jones Industrial Average is a terrible way of measuring the economy and the stock market, experts agree, which is why its imminent 20,000-point milestone is meaningless.

As economic indicators go, the Dow is a deeply flawed one, experts say

Trader Peter Tuchman, on the floor of the New York Stock Exchange (NYSE), wears a cap in anticipation of the Dow Jones Industrial Average reaching the 20,000-point mark. (Andrew Kelly/Reuters)

There are few things economic experts agree on. That the Dow Jones Industrial Averageis ridiculous as an economic indicator is one. That its milestones are meaningless is another.

For weeks now, headlines have beenbreathlessly anticipatingthe Dow breaking through the 20,000-point mark. Never mind that the much broader S&P500 has hit new all-time highssince Donald Trump was elected, as has the technology-focused Nasdaq it's usually "the Dow" that claims top billing in newscasts and business pages.

It finally passed the milestone on January 25th, and was met with more of the same.

And yet, just about everyone who knows anything about it will tell you it is a deeply flawed, overly simplistic, wildly inaccurate measure of either the economy or stock markets.

'It just happens to be wrong'

"It's actually a pretty bad metric," says John Shoven from the Stanford Institute for Economic Policy Research. "It's poorly constructed. Its only claim to fame is that it's been aroundfor 120years."

Before we even tackle the arcane way the Dow is calculated, let's address the milestone.

"It's just a round number," says Shoven, who hascriticized the Dow and our obsession with milestones in the past."There's nothing more significant about it crossing 20,000 than when it crossed 17,500 or any other number."

Dow within reach of 20,000 milestone

8 years ago
Duration 6:18
John Shoven of the Stanford Institute for Economic Policy Research on whether Dow 20,000 even matters

Every time it goes up, it hits a newall-time high; we arbitrarily celebrate some more than others.When you look at the Dow's methods, things get even muddier.

The Dow puts 30 big-name U.S.companies in a basket and adds up the total dollar value of all thosestocks. It doesn't adjust for inflation.

The Dow has its own divisor, a figure it uses and changes over time to try to adjust for stock splits or spinoffs.As such, it gives more influenceto expensive stocks. Soif two companies are worth about the same amount, if one has fewer shares that are worth more, that company has an oversized influence on the average.

"It's simple," says Shoven."It just happens to be wrong."

Math was really hard in 1896

And why, you may ask, does a major stock market index use such a simplistic method? Because when the index was created back in 1896, computers didn't yet exist.

"The Dow Jones is just a relic from old days, when computation was difficult," says Ronald Balvers, professor of finance at the DeGroote School of Business at Hamilton'sMcMaster University. He says the Dow is built the way it is because that was the easiest way to add things up 120years ago.

The Dow has been flirting with 20,000 for weeks now. It closed at 19,911.21 on December 13, 2016. (Drew Angerer/Getty Images)

That basket of 30 companies has traditionally been something of a relic, as well. Apple was only added in 2015. General Electrichas held a spot since 1907. Proctor and Gamble's been listed since 1932 and Dupontsince 1935.

Balvers says that means the index offers alimited scope into market activity.

"We're not including bonds, we're not including real estate, we're not including small companies, so from that perspective it's a bit ofa very select measure of the performance of financial markets," Balvers says.

It's misleading, too

Worse yet, Shoven says, the Dow does not include dividends. Soit doesn't come close to reflecting total returns for shareholders.If the Dowhadadded dividends back when it overhauled the index in 1928, it would be approaching a very different milestone today.

"If you had the total return index," he says, the Dow "would be well over 500,000 today, approaching a million. On the very long run, it's off it's way off."

Sokeep all this in mind as you are inundated with blaring headlines about the Dow breaking through 20,000. It is a snapshot of a particular group of stocks and it provides some limited historical context.

The Dow Jones is a dated relic of an older time. Traders keep an eye on it, but most use other indexes as a more accurate measure of market activity. (Mark Lennihan/Associated Press)

What the Dow does do is show a very broad trend in stock markets.

"I would say it is right directionally," says Shoven."It indicates that stock prices have gone up over the long haul and indeed they have." The Dow is up, as is the S&P 500 and almost every other North American stock index.

But the whole point of an index like this is to help us understand something about the stock market and about the state of the economy at large.

And on that, the Dow is an indisputablylousy indicator.